General Concepts Flashcards
What is the difference between AWS public services and private services
How they’re accessed on a networking level (there are still IAM permissions that can further restrict access to a given service)
Public services can have endpoints that are publicly accessible from the internet.
VPC = ?
Virtal Private Cloud
which AWS Zone do VPC’s operate in?
The aws private zone
Can the aws private zone be accessed by the internet?
No
What is the AWS Public zone
A PRIVATE network within AWS that is connected to the internet.
How many accounts can a VPC span? Same for region?
1 and 1 baby!
⭐ How many Default VPCs can you have per regions
1 only.
How many custom VPC’s can be configured in a region
Many!
Are there any endpoints in a custom VPC that are public by default?
no
what is the VPC CIDR of the Default VPC?
172.31.0.0/16
How many subnets are configured in a Default VPC
one for each AZ
⭐ If an AZ fails and there is an EC2 in it, will that instance fail? (sometimes/always/never)
always, they are deployed to a specific subnet (which is isolated to an AZ)
What port is the Remote Desktop Protocol on?
3389
What is the max size of an object for an s3 bucket?
5TB
How many buckets can be in an aws account?
100 (soft limit), you can request increases up to 1000.
